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Determining objects of interest for active cruise control

a technology of object detection and active cruise control, which is applied in the direction of vehicle position/course/altitude control, using reradiation, instruments, etc., can solve the problem of increasing operator annoyan

Active Publication Date: 2018-12-06
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The object-detection system described in this patent is for use on autonomous vehicles. It includes a camera, radar-sensor, and controller. The camera detects the road and the radar-sensor detects targets. The controller analyzes the data from the camera and radar-sensor to determine if the targets are a line or an overpass. This system helps the vehicle navigate its surroundings safely.

Problems solved by technology

It is known that an overpass over a roadway may be detected by two-dimensional radar-systems as a false target due to the inability of the radar systems to determine elevation.
Detection of false targets may disable an active cruise control system leading to increased operator annoyance.

Method used

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  • Determining objects of interest for active cruise control
  • Determining objects of interest for active cruise control
  • Determining objects of interest for active cruise control

Examples

Experimental program
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Embodiment Construction

[0015]FIG. 1 illustrates a non-limiting example of an object-detection system 10, hereafter referred to as the system 10, suitable for use on an automated vehicle 12, hereafter referred to as a host-vehicle 12. The system 10 includes a camera 14 that detects a travel-lane 16 of a roadway 18 traveled by the host-vehicle 12. As will be described in more detail below, the system 10 is an improvement over prior object detection systems because the system 10 is configured to differentiate between an overhead structure and an obstacle on the roadway 18. Examples of the camera 14 suitable for use on the host-vehicle 12 are commercially available as will be recognized by those in the art, one such being the APTINA MT9V023 from Micron Technology, Inc. of Boise, Id., USA. The camera 14 may be mounted on the front of the host-vehicle 12, or mounted in the interior of the host-vehicle 12 at a location suitable for the camera 14 to view the area around the host-vehicle 12 through the windshield ...

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Abstract

An object-detection system suitable for use on an autonomous vehicle includes a camera, a radar-sensor, and a controller. The camera detects a travel-lane of a roadway traveled by a host-vehicle. The radar-sensor detects targets in a field-of-view of the radar-sensor. The field-of-view includes the roadway, wherein the roadway defines a boundary of the roadway detected by the radar-sensor. The controller is in communication with the camera and the radar-sensor. The controller determines that a collection of targets is a stationary-object that defines a line. The controller classifies the stationary-object as an overpass when the line extends beyond the boundary of the roadway. The controller classifies the stationary-object as an impediment when the line overlays a portion of the travel-lane traveled by the host-vehicle and does not extend beyond the boundary of the roadway.

Description

TECHNICAL FIELD OF INVENTION[0001]This disclosure generally relates to an object detection system, and more particularly relates to an object detection system for use with active cruise control.BACKGROUND OF INVENTION[0002]It is known that an overpass over a roadway may be detected by two-dimensional radar-systems as a false target due to the inability of the radar systems to determine elevation. Detection of false targets may disable an active cruise control system leading to increased operator annoyance.SUMMARY OF THE INVENTION[0003]In accordance with one embodiment, an object-detection system suitable for use on an autonomous vehicle is provided. The object-detection system includes a camera, a radar-sensor, and a controller. The camera detects a travel-lane of a roadway traveled by a host-vehicle. The radar-sensor detects targets in a field-of-view of the radar-sensor. The field-of-view includes the roadway, wherein the roadway defines a boundary of the roadway detected by the r...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G05D1/02G08G1/16G01S13/931
CPCG05D1/0214G05D1/0246G08G1/165G08G1/166G05D1/0257B60W40/02B60W40/06B60W2552/00B60W2554/00G01S7/411G01S13/42G01S13/867G01S13/931G01S2013/93271
Inventor PRASAD, PREMCHAND KRISHNA
Owner APTIV TECH LTD
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